public void Setup(RayIntersection isect)
{
for (int index = 0; index < bxdfs.Count; index++)
{
bxdfs[index].Setup(isect);
}
}
public RayIntersection EvalIntersection(RayDifferential ray, ref RayHit rh, RayIntersection isect)
{
var ii = isect ?? (isect = new RayIntersection());
var currentTriangleIndex = (int) rh.Index;
var obj = GetObjectByTriangleIndex(currentTriangleIndex);
ii.Hitpoint = ray.Point(rh.Distance);
ii.BaryCentricPoint = new UV(rh.U, rh.V);
obj.Entity.InterpolateTriangleNormal(currentTriangleIndex, rh.U, rh.V, ref ii.ShadingNormal);
obj.Entity.InterpolateTriUV(currentTriangleIndex, rh.U, rh.V, out ii.TextureCoords);
ii.GeoNormal = scene.sceneData.Triangles[currentTriangleIndex].ComputeNormal(scene.sceneData.GeoData.Vertices);
ii.ComputeDifferential(ray);
return ii;
}